秒表

 1 import time
 2 print("请按下回车键开始,然后在你要标记的时间点按下回车键,用Ctrol-C退出")
 3 input()
 4 print('开始喽!')
 5 
 6 startTime = time.time()
 7 lastTime = startTime
 8 lapNum = 1
 9 try:
10     while True:
11         input()
12         lapTime = round(time.time()-lastTime,2)
13         totalTime = round(time.time()-startTime,2)
14         print('记录#%s: %ss \t(%ss)' %(lapNum,totalTime,lapTime),end='')
15         lapNum +=1
16         lastTime = time.time()
17 
18 except KeyboardInterrupt:
19     print('\n恭喜你完成了本次记录!')